There is a placard under the hood listing the engine size. I think you will find it is a 2.5 L.
Any thing is possible, but the 1990 318 is a different block than the "Magnum" 318 that was available in the Grand's.
Grand - 1990 was released on: USA: 18 January 1990
The 1990 Grand Am was a popular car. The curb weight of the 1990 Pontiac Grand Am was 2,739 pounds.
if your truck is carburated your going to have to get a new fuel pump my friend. Taking the bed of your truck is fairly easy. I had to do the same thing for my 1990. The fuel Pump is located in the gas tank on the passanger side of the bed.
If your 1990 Grand Plymouth Voyager cuts out and dies for not reason, but starts after a couple times of cranking, the starter might be going out. You can have the starter tested.
YES , a 1990 Mercury Grand Marquis 5.0 liter V8 engine has a PCV valve ( Motorcraft part number EV-98-B ) going into the intake manifold
Grand Slam - 1990 Pilot was released on: USA: 28 January 1990
Grand Slam - 1990 Dog Days was released on: USA: 1990
Grand Slam - 1990 My Favorite Sociopath was released on: USA: 1990
Grand Slam - 1990 Byte the Bullet was released on: USA: 1990
Grand - 1990 The Mother Load - 2.10 was released on: USA: 13 December 1990
Grand - 1990 The Healing 2-3 was released on: USA: 18 October 1990